41) Peptin traded machine 1 for machine 2 when the fair market value of both machines was $50,000. Peptin originally purchased machine 1 for $75,000 and machine 1's adjusted basis was $40,000 at the time of the exchange. Machine 2's seller purchased it for $65,000 and machine 2's adjusted basis was $55,000 at the time of the exchange. What is Koch's adjusted basis in machine 2 after the exchange?

A) $40,000.

B) $50,000.

C) $55,000.

D) $75,000.

E) None of the choices are correct.